US4392007A - Solar generator providing electricity and heat - Google Patents

Solar generator providing electricity and heat Download PDF

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Publication number
US4392007A
US4392007A US06/304,853 US30485381A US4392007A US 4392007 A US4392007 A US 4392007A US 30485381 A US30485381 A US 30485381A US 4392007 A US4392007 A US 4392007A
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United States
Prior art keywords
tube
heat
block
fluid
photovoltaic cells
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Expired - Fee Related
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US06/304,853
Inventor
Gerard Barkats
Alain Girard
Jean Marchal
Charles Morel
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NATIONALE INDUSRIELLE AEROSPATIALE Ste
Airbus Group SAS
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Airbus Group SAS
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Assigned to SOCIETE NATIONALE INDUSRIELLE AEROSPATIALE reassignment SOCIETE NATIONALE INDUSRIELLE AEROSPATIALE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BARKATS, GERARD, GIRARD, ALAIN, MARCHAL, JEAN, MOREL, CHARLES
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

Definitions

  • the present invention relates to a support for a photovoltaic cell, to a battery of photovoltaic cells provided with such supports and to a solar generator provided with such a battery.
  • Solar generators are already known which comprise an assembly of photovoltaic cells which convert solar energy into electrical energy.
  • a device is provided for condensing the sun's radiation, such as a concave mirror, moved by a mechanism for orientation which is servo-controlled so as to be constantly directed towards the sun, said assembly of photovoltaic cells being disposed at the focus of said condensation device and held in place by means of arms fixed to the periphery thereof.
  • the support for at least one photovoltaic cell comprising at least one block of heat-conducting material with which said cell is in close thermal contact, is noteworthy in that it comprises at least one tube whose wall may be traversed by the heat, said tube being fastened to said block, in thermal contact therewith and closed at its ends to define a closed cavity inside which an evaporable and condensable fluid is enclosed.
  • Said block preferably comprises a recess outwardly extended by said tube, said closed cavity then being formed by said recess and the tube.
  • the condensed liquid phase may be returned towards the block by an inner coating of the tube forming a capillary network.
  • the condensed liquid phase returns under the sole action of gravity, this avoiding having to provide any auxiliary return device.
  • the support according to the invention may be in one piece, for example obtained by moulding. It may also be constituted by assembling the block and the tube together by soldering.
  • a fluid for example a liquid
  • a battery of photovoltaic cells may comprise a water-tight chamber which is provided with a cold fluid inlet and a hot fluid outlet and which encloses at least the tubes of a plurality of supports according to the invention, provided with their photovoltaic cells.
  • a light, small-dimensioned assembly is thus obtained, in which the temperature of the photovoltaic cells is easily regulated and which is particularly well suited for a generator with a mobile solar condensation device and focal assembly. Moreover, in addition to the electrical energy produced, the assembly of photovoltaic cells according to the invention yields heat to a fluid, preferably water, this increasing its output.
  • FIG. 1 is a view in longitudinal section of a support for photovoltaic cell according to the present invention.
  • FIG. 2 schematically illustrates an assembly of photovoltaic cells according to the invention.
  • FIG. 3 schematically shows, in perspective, a solar generator comprising the assembly of photovoltaic cells of FIG. 2.
  • the support according to the invention and shown in FIG. 1 comprises a block 1 of good heat-conducting material, such as copper, for example cubic in shape.
  • a photovoltaic cell 3 is fixed on one face of said block 1, for example by a soft-solder 2, so that said cell is in close thermal contact with the block 1.
  • a recess 4 directed towards the photovoltaic cell 3 is made in said block 1 through its face opposite said photovoltaic cell.
  • the recess 4 is extended, opposite the block 1, by a tube 5, also made of a good heat conducting material, such as copper.
  • the tube 5 is hermetically closed by a seal 6.
  • the volume of this substance 9 may for example correspond to one twentieth of the volume of the cavity 8.
  • the assembly 1 to 9 is disposed so that the photovoltaic cell 3 is directed downwardly, with the result that the tube 5 is directed upwardly.
  • the cell 3 when the cell 3 receives appropriate radiation, on the one hand it produces electrical energy which is collected in a manner not shown in the drawings, and, on the other hand, it is the site of a liberation of heat. It is known that this heat must be removed so as to control the temperature of the photovoltaic cell 3 and to maintain it in a range ensuring optimal functioning of said cell.
  • the process of removal of heat from the support according to the invention is as follows.
  • the cell 3 transmits its heat to the block 1 through the solder 2 and from there to tube 5 by conduction. Moreover, the heat received by the block 1 vaporises the liquid 9 and the vapor thus formed moves in the cavity 8 in the direction of the seal 6. When the vapor encounters a point of the tube 5 which is sufficiently cold, it condenses and the condensate returns into the recess 4, flowing by gravity along the walls of the tube 5. The tube 5 therefore receives the heat from the cell 3 both by conduction and by transmission by the heat-carrying fluid.
  • the heat received by the tube 5 is then taken therefrom by the fluid medium (gas or liquid) surrounding the tube 8.
  • the tube 5 is not necessarily made of a good heat-conducting material. In fact, it may be made of glass or synthetic material, with a sufficiently thin wall to be traversed by the flow of heat with small temperature difference. In this case, the exchange of heat takes place solely via the fluid 9.
  • FIG. 2 shows a battery 10 of photovoltaic cells 3, mounted on their supports 1, 5.
  • the assemblies 1, 3, 5 are enclosed in a water-tight chamber 11, provided with a transparent wall 12, through which the photovoltaic cells 3 receive the radiation whose energy is to be converted into electricity.
  • the water-tight chamber 11 is provided with an inlet 13 for cold fluid such as water and with outlets 14 for said fluid heated by absorbing the heat transmitted, in the manner described hereinabove, from the cells 3 to their respective tubes 5.
  • the assemblies 1, 3, 5 are coated, if necessary, with an electrically insulating film (not shown) enabling them to be bathed by the cooling fluid without parasitic electrical connections being established between them.
  • the cells 3 may be outside said chamber, fluid tightness being ensured either at block 1 or tube 5. In this case, there is no need for the transparent wall 12.
  • FIG. 3 schematically illustrates a solar generator comprising a concave mirror 15, mounted on a mechanism 16 for orientation.
  • a concave mirror 15 On the periphery of the mirror 15 are provided convergent arms 17 supporting the battery 10 of FIG. 2, so that the cells 3 are in the focal plane of said mirror.
  • the mirror 15 is orientated towards the sun, and the cells 3 are directed downwardly and the assemblies 1, 3, 5 function in the manner described hereinabove.
  • the inlet and outlet pipes for fluid (not shown) connected to the inlets and outlets 13 and 14 of the battery 10 preferably pass through certain of the arms 17.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention relates to a support for at least one photovoltaic cell, comprising at least one block made of heat-conducting material with which said cell is in close thermal contact. According to the invention, this support comprises at least one tube the wall of which may be traversed by the heat, said tube being fastened to said block, in thermal contact therewith, and closed at its end to define a closed cavity inside which an evaporable and condensable fluid is enclosed. The invention is particularly applicable to a solar generator.

Description

The present invention relates to a support for a photovoltaic cell, to a battery of photovoltaic cells provided with such supports and to a solar generator provided with such a battery.
Solar generators are already known which comprise an assembly of photovoltaic cells which convert solar energy into electrical energy. In certain of these known generators, a device is provided for condensing the sun's radiation, such as a concave mirror, moved by a mechanism for orientation which is servo-controlled so as to be constantly directed towards the sun, said assembly of photovoltaic cells being disposed at the focus of said condensation device and held in place by means of arms fixed to the periphery thereof.
Furthermore, it is known that, in order to function correctly, the temperature of the photovoltaic cells must be regulated. To this end, devices such as fins are provided which make it possible to dissipate the heat released in said photovoltaic cells. However, not only are these devices not totally effective for regulating the temperature of said photovoltaic cells, but they also are heavy and cumbersome. This results in the mass of the mobile part of the generator being high and the orientation of the condensation device being difficult to control due to the high inertia, thus requiring a powerful mechanism for orientation. Moreover, due to their large dimensions, known heat dissipating devices cast a large shadow on the mirror, which is detrimental to the yield of the generator.
It is an object of the present invention to remedy these drawbacks and to provide a light, small-dimensioned focal assembly of photovoltaic cells, whilst enabling the cells to be electrically insulated and allowing good heat conduction to be maintained.
To this end, according to the invention, the support for at least one photovoltaic cell comprising at least one block of heat-conducting material with which said cell is in close thermal contact, is noteworthy in that it comprises at least one tube whose wall may be traversed by the heat, said tube being fastened to said block, in thermal contact therewith and closed at its ends to define a closed cavity inside which an evaporable and condensable fluid is enclosed.
Said block preferably comprises a recess outwardly extended by said tube, said closed cavity then being formed by said recess and the tube.
Thus, when heat is released in the photovoltaic cell, during functioning thereof, this liberation of heat causes the liquid phase of the fluid to evaporate and the resulting vapor phase moves towards the end of the tube opposite the block. All along the tube, the vapor phase passes its heat to said tube and recondenses.
The condensed liquid phase may be returned towards the block by an inner coating of the tube forming a capillary network. However, according to an advantageous embodiment in which the block is directed downwardly and the tube upwardly, the condensed liquid phase returns under the sole action of gravity, this avoiding having to provide any auxiliary return device.
The support according to the invention may be in one piece, for example obtained by moulding. It may also be constituted by assembling the block and the tube together by soldering.
In order to promote evacuation of the heat transmitted to said tube, it is advantageous to enclose at least said tube in a water-tight chamber, in which a fluid, for example a liquid, circulates.
Thus, a battery of photovoltaic cells, particularly for a solar generator, may comprise a water-tight chamber which is provided with a cold fluid inlet and a hot fluid outlet and which encloses at least the tubes of a plurality of supports according to the invention, provided with their photovoltaic cells.
A light, small-dimensioned assembly is thus obtained, in which the temperature of the photovoltaic cells is easily regulated and which is particularly well suited for a generator with a mobile solar condensation device and focal assembly. Moreover, in addition to the electrical energy produced, the assembly of photovoltaic cells according to the invention yields heat to a fluid, preferably water, this increasing its output.
The invention will be more readily understood on reading the following description with reference to the accompanying drawings, in which:
FIG. 1 is a view in longitudinal section of a support for photovoltaic cell according to the present invention.
FIG. 2 schematically illustrates an assembly of photovoltaic cells according to the invention.
FIG. 3 schematically shows, in perspective, a solar generator comprising the assembly of photovoltaic cells of FIG. 2.
Referring now to the drawings, the support according to the invention and shown in FIG. 1 comprises a block 1 of good heat-conducting material, such as copper, for example cubic in shape. A photovoltaic cell 3 is fixed on one face of said block 1, for example by a soft-solder 2, so that said cell is in close thermal contact with the block 1.
Furthermore, a recess 4, directed towards the photovoltaic cell 3 is made in said block 1 through its face opposite said photovoltaic cell. The recess 4 is extended, opposite the block 1, by a tube 5, also made of a good heat conducting material, such as copper. At its end opposite the block 1, the tube 5 is hermetically closed by a seal 6.
In FIG. 1, it has been assumed that the tube 5 was added to the block 1 by fitting in the recess 4, then soldering at 7. It goes without saying that the tube 5 and the block 1 may be in one piece, for example obtained by moulding, the seal 6 being made subsequently.
A small quantity of a volatile substance 9, such as an alcohol, is disposed in the closed cavity 8 thus defined by the tube 5 and the recess 4. The volume of this substance 9 may for example correspond to one twentieth of the volume of the cavity 8.
The assembly 1 to 9 is disposed so that the photovoltaic cell 3 is directed downwardly, with the result that the tube 5 is directed upwardly.
Thus, when the cell 3 receives appropriate radiation, on the one hand it produces electrical energy which is collected in a manner not shown in the drawings, and, on the other hand, it is the site of a liberation of heat. It is known that this heat must be removed so as to control the temperature of the photovoltaic cell 3 and to maintain it in a range ensuring optimal functioning of said cell. The process of removal of heat from the support according to the invention is as follows.
The cell 3 transmits its heat to the block 1 through the solder 2 and from there to tube 5 by conduction. Moreover, the heat received by the block 1 vaporises the liquid 9 and the vapor thus formed moves in the cavity 8 in the direction of the seal 6. When the vapor encounters a point of the tube 5 which is sufficiently cold, it condenses and the condensate returns into the recess 4, flowing by gravity along the walls of the tube 5. The tube 5 therefore receives the heat from the cell 3 both by conduction and by transmission by the heat-carrying fluid.
The heat received by the tube 5 is then taken therefrom by the fluid medium (gas or liquid) surrounding the tube 8.
It will be noted that the tube 5 is not necessarily made of a good heat-conducting material. In fact, it may be made of glass or synthetic material, with a sufficiently thin wall to be traversed by the flow of heat with small temperature difference. In this case, the exchange of heat takes place solely via the fluid 9.
FIG. 2 shows a battery 10 of photovoltaic cells 3, mounted on their supports 1, 5. The assemblies 1, 3, 5 are enclosed in a water-tight chamber 11, provided with a transparent wall 12, through which the photovoltaic cells 3 receive the radiation whose energy is to be converted into electricity. Moreover, the water-tight chamber 11 is provided with an inlet 13 for cold fluid such as water and with outlets 14 for said fluid heated by absorbing the heat transmitted, in the manner described hereinabove, from the cells 3 to their respective tubes 5. Thus, it is possible to recover the heat liberated in said photovoltaic cells 3.
Of course, the assemblies 1, 3, 5 are coated, if necessary, with an electrically insulating film (not shown) enabling them to be bathed by the cooling fluid without parasitic electrical connections being established between them.
Moreover, instead of being enclosed in the chamber 11, the cells 3 may be outside said chamber, fluid tightness being ensured either at block 1 or tube 5. In this case, there is no need for the transparent wall 12.
FIG. 3 schematically illustrates a solar generator comprising a concave mirror 15, mounted on a mechanism 16 for orientation. On the periphery of the mirror 15 are provided convergent arms 17 supporting the battery 10 of FIG. 2, so that the cells 3 are in the focal plane of said mirror. The mirror 15 is orientated towards the sun, and the cells 3 are directed downwardly and the assemblies 1, 3, 5 function in the manner described hereinabove. The inlet and outlet pipes for fluid (not shown) connected to the inlets and outlets 13 and 14 of the battery 10 preferably pass through certain of the arms 17.
It is thus seen that, due to the invention, a light, small-dimensioned photovoltaic battery is obtained which has no adverse effect on the orientation mechanism 16, whilst allowing recovery of the thermal energy produced by the photovoltaic cells 3.

Claims (7)

What is claimed is:
1. A solar energy collecting device comprising:
a plurality of photovoltaic cells;
a plurality of heat pipes;
said photovoltaic cells being carried by said heat pipes in heat transfer relationship therewith; and
a fluid-tight cooling chamber provided with a cold fluid inlet and hot fluid outlet and enclosing at least said plurality of heat pipes.
2. The device of claim 1, wherein each heat pipe comprises at least one solid block of heat-conducting material on which at least a part of a said photovoltaic cell is fixed so as to be in close thermal contact with said block, and at least one tube whose wall may be traversed by heat generated in said cell, said tube being fastened to said block, in thermal contact therewith and closed at its ends to define a closed cavity inside which is enclosed an evaporable and condensable fluid.
3. The device of claim 2, wherein said block comprises a recess extended outwardly by said tube, said closed cavity being defined by said recess and said tube.
4. The device of claim 2, wherein said tube and said photovoltaic cell are disposed on opposite faces of said block.
5. The device of claim 2, wherein said tube and said block are integrally formed.
6. The device of claim 1, further comprising:
a collector for concentrating solar radiation in a focal plane;
and said photovoltaic cells are directed downwardly in said focal plane and with said heat pipes directed upwardly.
7. The device of claim 6 wherein said cooling chamber is supported by at least one hollow arm rigidly connected to said collector, said arm communicating with said cooling chamber for fluid flow.
US06/304,853 1980-10-09 1981-09-23 Solar generator providing electricity and heat Expired - Fee Related US4392007A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8021595A FR2492169A1 (en) 1980-10-09 1980-10-09 SUPPORT FOR PHOTOVOLTAIC CELL, PHOTOVOLTAIC CELL BATTERY PROVIDED WITH SUCH A SUPPORT AND SOLAR GENERATOR PROVIDED WITH SUCH A BATTERY
FR8021595 1980-10-09

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US4392007A true US4392007A (en) 1983-07-05

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JP (1) JPS5792876A (en)
CA (1) CA1195893A (en)
DE (1) DE3168057D1 (en)
FR (1) FR2492169A1 (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598695A (en) * 1985-05-30 1986-07-08 Sundstrand Corporation Solar boiler or energy storage apparatus
US5154777A (en) * 1990-02-26 1992-10-13 Mcdonnell Douglas Corporation Advanced survivable space solar power system
US5491363A (en) * 1992-02-10 1996-02-13 Nec Corporation Low boiling point liquid coolant cooling structure for electronic circuit package
US20040261788A1 (en) * 2003-04-22 2004-12-30 Solargenix Energy Llc Solar collectors with evacuated receiver and nonimaging external reflectors
US20060137733A1 (en) * 2002-05-17 2006-06-29 Schripsema Jason E Photovoltaic module with adjustable heat sink and method of fabrication
US20080135088A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Interlocking solar roof tiles with heat exchange
US20080135086A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Photovoltaic cells, modules and methods of making same
US20080134497A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Modular solar panels with heat exchange & methods of making thereof
US20090159115A1 (en) * 2007-12-21 2009-06-25 Solergy, Inc. Light Concentrating Modules, Systems and Methods
US20110203777A1 (en) * 2008-11-03 2011-08-25 Yaohua Zhao Heat pipe with micro-pore tubes array and making method thereof and heat exchanging system
US20110226308A1 (en) * 2010-03-18 2011-09-22 Yi Pang Solar energy hybrid module
US8704081B2 (en) 2004-05-17 2014-04-22 Solergy, Inc. Light energy conversion systems and methods

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DE3226167C2 (en) * 1982-07-13 1985-04-18 Sieghard Dipl.-Phys. Dr. 8000 München Gall Solar energy conversion plant

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US3598178A (en) * 1969-05-26 1971-08-10 Gen Electric Heat pipe
US4149903A (en) * 1978-05-25 1979-04-17 Solarex Corporation Hybrid solar energy collecting device
US4211581A (en) * 1979-04-10 1980-07-08 Kidyashev Jury K Solar Photoelectric conversion apparatus with cooling means

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598695A (en) * 1985-05-30 1986-07-08 Sundstrand Corporation Solar boiler or energy storage apparatus
US5154777A (en) * 1990-02-26 1992-10-13 Mcdonnell Douglas Corporation Advanced survivable space solar power system
US5491363A (en) * 1992-02-10 1996-02-13 Nec Corporation Low boiling point liquid coolant cooling structure for electronic circuit package
US20060137733A1 (en) * 2002-05-17 2006-06-29 Schripsema Jason E Photovoltaic module with adjustable heat sink and method of fabrication
US7557290B2 (en) 2002-05-17 2009-07-07 Schripsema Jason E Photovoltaic module with adjustable heat sink and method of fabrication
US20040261788A1 (en) * 2003-04-22 2004-12-30 Solargenix Energy Llc Solar collectors with evacuated receiver and nonimaging external reflectors
WO2004094924A3 (en) * 2003-04-22 2005-03-10 Solargenix Energy Llc Solar collectors with evacuated receiver and nonimaging external reflectors
US7412976B2 (en) * 2003-04-22 2008-08-19 Solargenix Energy Llc Solar collectors with evacuated receiver and nonimaging external reflectors
US8704081B2 (en) 2004-05-17 2014-04-22 Solergy, Inc. Light energy conversion systems and methods
US20080135090A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Solar roof tiles with heat exchange and methods of making thereof
US20080134497A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Modular solar panels with heat exchange & methods of making thereof
US20080135086A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Photovoltaic cells, modules and methods of making same
US20080135094A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Photovoltaic roof tiles and methods of making same
US7728219B2 (en) 2006-12-11 2010-06-01 Sunmodular, Inc. Photovoltaic cells, modules and methods of making same
US8410350B2 (en) 2006-12-11 2013-04-02 Ns Acquisition Llc Modular solar panels with heat exchange
US20080135088A1 (en) * 2006-12-11 2008-06-12 Sunmodular, Inc. Interlocking solar roof tiles with heat exchange
US20090159115A1 (en) * 2007-12-21 2009-06-25 Solergy, Inc. Light Concentrating Modules, Systems and Methods
US8088994B2 (en) 2007-12-21 2012-01-03 Solergy, Inc. Light concentrating modules, systems and methods
US20110203777A1 (en) * 2008-11-03 2011-08-25 Yaohua Zhao Heat pipe with micro-pore tubes array and making method thereof and heat exchanging system
US11022380B2 (en) * 2008-11-03 2021-06-01 Guangwei Hetong Energy Techology (Beijing) Co., Ltd Heat pipe with micro-pore tube array and heat exchange system employing the heat pipe
US20110226308A1 (en) * 2010-03-18 2011-09-22 Yi Pang Solar energy hybrid module

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FR2492169A1 (en) 1982-04-16
DE3168057D1 (en) 1985-02-14
EP0050538B1 (en) 1985-01-02
EP0050538A1 (en) 1982-04-28
JPS5792876A (en) 1982-06-09
CA1195893A (en) 1985-10-29
FR2492169B1 (en) 1984-01-27

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